ATE167965T1 - IMPROVEMENTS IN COOLING DEVICES FOR ROTATING ELECTRICAL MACHINES - Google Patents
IMPROVEMENTS IN COOLING DEVICES FOR ROTATING ELECTRICAL MACHINESInfo
- Publication number
- ATE167965T1 ATE167965T1 AT95302626T AT95302626T ATE167965T1 AT E167965 T1 ATE167965 T1 AT E167965T1 AT 95302626 T AT95302626 T AT 95302626T AT 95302626 T AT95302626 T AT 95302626T AT E167965 T1 ATE167965 T1 AT E167965T1
- Authority
- AT
- Austria
- Prior art keywords
- recess
- rotating electrical
- tooth
- electrical machines
- cooling devices
- Prior art date
Links
- 238000001816 cooling Methods 0.000 abstract 3
- 238000009423 ventilation Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
- H02K17/20—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors having deep-bar rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/14—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
- H02K9/18—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle wherein the external part of the closed circuit comprises a heat exchanger structurally associated with the machine casing
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Motor Or Generator Cooling System (AREA)
- Control Of Electric Motors In General (AREA)
- Motor Or Generator Frames (AREA)
Abstract
A rotating electrical machine has openings (105) in its stator teeth (101) occupying a substantial part of the surface area of each tooth so that the stator windings (103) have only a short thermal path to axial cooling ducts created by the openings. In another embodiment, each rotor tooth (109) is provided with a recess (110) at one corner of the tooth to form a recess axial cooling duct; the recess may be of such a depth as to expose part of an adjacent slot (118) to the recess duct. Cooling is by air, either in a single-ended or a double-ended axial ventilation system.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9410351A GB2289992B (en) | 1994-05-24 | 1994-05-24 | Improvements in or relating to cooling arrangements in rotating electrical machines |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE167965T1 true ATE167965T1 (en) | 1998-07-15 |
Family
ID=10755606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT95302626T ATE167965T1 (en) | 1994-05-24 | 1995-04-20 | IMPROVEMENTS IN COOLING DEVICES FOR ROTATING ELECTRICAL MACHINES |
Country Status (8)
Country | Link |
---|---|
US (1) | US5866959A (en) |
EP (1) | EP0684682B2 (en) |
JP (1) | JP3663588B2 (en) |
AT (1) | ATE167965T1 (en) |
CA (1) | CA2148213C (en) |
DE (1) | DE69503190T3 (en) |
FI (1) | FI116252B (en) |
GB (1) | GB2289992B (en) |
Families Citing this family (77)
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EP1016185A1 (en) | 1996-05-29 | 2000-07-05 | Abb Ab | Insulated conductor for high-voltage windings and a method of manufacturing the same |
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DE19751055A1 (en) * | 1997-11-18 | 1999-05-20 | Abb Patent Gmbh | Gas-cooled turbogenerator |
BR9815420A (en) | 1997-11-28 | 2001-07-17 | Abb Ab | Method and device for controlling the magnetic flux with an auxiliary winding on a rotating high voltage alternating current machine |
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US6801421B1 (en) | 1998-09-29 | 2004-10-05 | Abb Ab | Switchable flux control for high power static electromagnetic devices |
US6069423A (en) * | 1999-04-21 | 2000-05-30 | Vita-Mix Corporation | Motor cooling and sound absorbing system |
US7211919B2 (en) * | 1999-08-16 | 2007-05-01 | American Superconductor Corporation | Thermally-conductive stator support structure |
DE10008807A1 (en) * | 2000-02-25 | 2001-09-06 | Siemens Ag | Rotary electric machine and method for cooling an electric rotary machine |
DE10059387A1 (en) * | 2000-11-30 | 2002-06-06 | Alstom Switzerland Ltd | Rotor for an electric rotating machine |
JP3624825B2 (en) * | 2000-12-14 | 2005-03-02 | 日産自動車株式会社 | Rotating electric machine and method of manufacturing rotating electric machine |
US6794773B2 (en) | 2001-01-23 | 2004-09-21 | General Electric Company | Winding restraint on wound rotor generators or motors and method for forming the same |
US6680551B2 (en) | 2001-08-20 | 2004-01-20 | Hamilton Beach/Proctor-Silex | Electric motor muffler |
US6933633B2 (en) | 2001-10-03 | 2005-08-23 | Nissan Motor Co., Ltd. | Rotating electric machine and cooling structure for rotating electric machine |
US6819016B2 (en) * | 2002-07-18 | 2004-11-16 | Tm4 Inc. | Liquid cooling arrangement for electric machines |
DE10244202A1 (en) | 2002-09-23 | 2004-03-25 | Alstom (Switzerland) Ltd. | Electrical machine with stator with cooled winding rods, has distancing arrangement for winding rods consisting of axial tubular distance elements whose internal volumes form cooling medium channels |
DE10329678A1 (en) * | 2003-07-01 | 2005-02-03 | Siemens Ag | Electric motor for driving a vehicle, in particular rail drives, and a drive with such an electric motor |
DE102004013133A1 (en) * | 2004-03-17 | 2005-10-13 | Siemens Ag | Electric machine with improved cooling and cooling method |
US7775576B2 (en) * | 2004-06-25 | 2010-08-17 | Robert Bosch Gmbh | Air pump assembly |
EP1787380B1 (en) * | 2004-09-09 | 2012-07-04 | Siemens Aktiengesellschaft | Set having a plurality of cooling modules and a machine housing |
US7348697B2 (en) * | 2004-09-09 | 2008-03-25 | Siemens Energy & Automation, Inc. | System for ventilating a motor |
DE102006025487A1 (en) * | 2005-06-07 | 2006-12-14 | Alstom Technology Ltd. | Dynamo-electric machine e.g. generator, has brushless exciter cooled through gaseous cooling medium e.g. air, by using cooling circuit, and one separate fan for circulation of cooling medium in cooling circuit of exciter |
US7791238B2 (en) | 2005-07-25 | 2010-09-07 | Hamilton Sundstrand Corporation | Internal thermal management for motor driven machinery |
US7619345B2 (en) * | 2006-01-30 | 2009-11-17 | American Superconductor Corporation | Stator coil assembly |
US7579724B2 (en) * | 2006-06-02 | 2009-08-25 | General Electric Company | Methods and apparatus for using an electrical machine to transport fluids through a pipeline |
US8129880B2 (en) * | 2007-11-15 | 2012-03-06 | GM Global Technology Operations LLC | Concentrated winding machine with magnetic slot wedges |
US7928616B2 (en) | 2008-05-19 | 2011-04-19 | General Electric Company | Systems and apparatus involving toothed armatures in superconducting machines |
DE102009031548A1 (en) * | 2009-07-02 | 2011-01-05 | Siemens Aktiengesellschaft | Stand for an electric machine |
IT1403055B1 (en) * | 2010-11-30 | 2013-09-27 | Itaco S R L Ora Reel S R L | ELECTRIC GENERATOR. |
US9729020B2 (en) | 2011-03-22 | 2017-08-08 | Hamilton Sundstrand Corporation | Motor stator having channels used for cooling and method of providing the channels |
JP5869798B2 (en) * | 2011-08-04 | 2016-02-24 | ダイヤモンド電機株式会社 | Brushless motor and electric power steering apparatus provided with the same |
DE102011053299A1 (en) * | 2011-09-06 | 2013-03-07 | Antriebstechnik Katt Hessen Gmbh | Cooling system for a highly used high-speed rotating synchronous electric machine |
US9225208B2 (en) * | 2011-09-30 | 2015-12-29 | Hamilton Sundstrand Corporation | Internal cooling of magnetic core for electric machine |
US9118232B2 (en) * | 2011-12-29 | 2015-08-25 | Qubo Li | Electric machine cooling system |
WO2013165629A2 (en) * | 2012-04-30 | 2013-11-07 | Parker-Hannifin Corporation | Internally cooled servo motor with a segmented stator |
JP5918656B2 (en) * | 2012-08-28 | 2016-05-18 | 東芝三菱電機産業システム株式会社 | Rotating electric machine |
EP2811620A1 (en) * | 2013-06-06 | 2014-12-10 | Siemens Aktiengesellschaft | Cooling device for a winding of an electrical machine |
WO2015003699A2 (en) * | 2013-07-12 | 2015-01-15 | Schaeffler Technologies Gmbh & Co. Kg (Angestellter) | Electric machine |
CN104377852B (en) * | 2013-08-13 | 2016-12-28 | 珠海格力电器股份有限公司 | Permanent magnet motor, refrigeration compressor and air conditioning unit |
US9653954B2 (en) * | 2013-09-18 | 2017-05-16 | Siemens Industry, Inc. | Electric machine rotor with rotor vent and axial slot fluid communication |
JP5977298B2 (en) * | 2014-09-03 | 2016-08-24 | 東芝三菱電機産業システム株式会社 | Fully closed rotating electrical machine |
US20170303436A1 (en) * | 2014-09-25 | 2017-10-19 | Heatex Ab | Heat exchange unit |
EP3032707A1 (en) * | 2014-12-08 | 2016-06-15 | Siemens Aktiengesellschaft | Cooling arrangement |
JP6490046B2 (en) * | 2016-12-28 | 2019-03-27 | 東芝三菱電機産業システム株式会社 | Fully enclosed fan-shaped rotating electrical machine |
FI20175174L (en) * | 2017-02-24 | 2018-08-25 | Lappeenrannan Teknillinen Yliopisto | A rotor for an induction machine |
CN107769465A (en) * | 2017-12-04 | 2018-03-06 | 江苏航天动力机电有限公司 | New motor forced ventilation cooler construction |
DE102018208706A1 (en) * | 2018-06-04 | 2019-12-05 | Audi Ag | System for cooling an electric machine |
US10923969B2 (en) * | 2019-01-14 | 2021-02-16 | GM Global Technology Operations LLC | Molded core assemblies for a motor-generator |
US11411448B2 (en) * | 2019-09-03 | 2022-08-09 | Hamilton Sundstrand Corporation | Motor stator core design with integral cooling duct within teeth |
DE102019131069A1 (en) * | 2019-11-18 | 2021-05-20 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Stator for an electrical machine with improved cooling, electrical machine, motor vehicle |
EP3840189A1 (en) | 2019-12-20 | 2021-06-23 | Volvo Car Corporation | Rotor air cooling system |
JP7355236B2 (en) * | 2020-05-15 | 2023-10-03 | 株式会社Ihi | Stator of electric motor and electric motor |
EP3955424A1 (en) | 2020-08-10 | 2022-02-16 | Siemens Aktiengesellschaft | Dynamo-electric machine with liquid cooling |
CN112564358B (en) * | 2020-11-10 | 2022-06-28 | 湖南科技大学 | Design method of axial ventilation slot of alternating-current traction motor rotor tooth part |
EP4016814A1 (en) | 2020-12-17 | 2022-06-22 | Flender GmbH | Stator, method of manufacturing, simulation, computer program product |
EP4024680A1 (en) | 2021-01-05 | 2022-07-06 | Flender GmbH | Stator, simulation method, computer program product |
US12009696B2 (en) * | 2021-05-24 | 2024-06-11 | Hamilton Sundstrand Corporation | Two phase cooling for electric machine |
EP4145677A1 (en) * | 2021-09-06 | 2023-03-08 | MAHLE International GmbH | Electric machine |
US20230246500A1 (en) * | 2022-01-28 | 2023-08-03 | Ge Aviation Systems Llc | Method and apparatus for cooling a rotor assembly |
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DE3444189A1 (en) * | 1984-03-21 | 1985-09-26 | Kraftwerk Union AG, 4330 Mülheim | DEVICE FOR INDIRECT GAS COOLING OF THE STATE DEVELOPMENT AND / OR FOR DIRECT GAS COOLING OF THE STATE SHEET PACKAGE OF DYNAMOELECTRICAL MACHINES, PREFERRED FOR GAS COOLED TURBOGENERATORS |
SE462310B (en) * | 1988-10-14 | 1990-05-28 | Asea Brown Boveri | SHORT-ASYNCHRONOUS MOTOR FOR FREQUENCY DRIVE DRIVE |
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-
1994
- 1994-05-24 GB GB9410351A patent/GB2289992B/en not_active Expired - Fee Related
-
1995
- 1995-04-20 AT AT95302626T patent/ATE167965T1/en active
- 1995-04-20 EP EP95302626A patent/EP0684682B2/en not_active Expired - Lifetime
- 1995-04-20 DE DE69503190T patent/DE69503190T3/en not_active Expired - Lifetime
- 1995-04-28 CA CA002148213A patent/CA2148213C/en not_active Expired - Lifetime
- 1995-05-15 JP JP14001195A patent/JP3663588B2/en not_active Expired - Lifetime
- 1995-05-23 FI FI952501A patent/FI116252B/en not_active IP Right Cessation
-
1997
- 1997-08-04 US US08/905,492 patent/US5866959A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FI116252B (en) | 2005-10-14 |
JPH07322565A (en) | 1995-12-08 |
JP3663588B2 (en) | 2005-06-22 |
DE69503190T2 (en) | 1998-12-03 |
DE69503190T3 (en) | 2005-12-15 |
CA2148213A1 (en) | 1995-11-25 |
GB2289992B (en) | 1998-05-20 |
DE69503190D1 (en) | 1998-08-06 |
FI952501A0 (en) | 1995-05-23 |
GB9410351D0 (en) | 1994-07-13 |
US5866959A (en) | 1999-02-02 |
CA2148213C (en) | 2005-02-08 |
GB2289992A (en) | 1995-12-06 |
EP0684682B2 (en) | 2004-08-25 |
EP0684682B1 (en) | 1998-07-01 |
EP0684682A1 (en) | 1995-11-29 |
FI952501A (en) | 1995-11-25 |
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